[clang] [llvm] [HIPSPV] Add in-tree SPIR-V backend support for chipStar (PR #206910)

LLVM Continuous Integration via llvm-commits llvm-commits at lists.llvm.org
Thu Jul 30 07:57:27 PDT 2026 

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `llvm-clang-x86_64-sie-ubuntu-fast` running on `sie-linux-worker` while building `clang,llvm` at step 6 "test-build-unified-tree-check-all".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/144/builds/60707

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 6 (test-build-unified-tree-check-all) failure: test (failure)
******************** TEST 'Clang :: Driver/hipspv-toolchain-rdc.hip' FAILED ********************
Exit Code: 1

Command Output (stdout):
--
# RUN: at line 3
/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/clang -### -x hip -target x86_64-linux-gnu --offload=spirv64    --no-offload-new-driver -fgpu-rdc --hip-path=/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/llvm-project/clang/test/Driver/Inputs/hipspv -nohipwrapperinc    /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/llvm-project/clang/test/Driver/Inputs/hip_multiple_inputs/a.cu    /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/llvm-project/clang/test/Driver/Inputs/hip_multiple_inputs/b.hip  2>&1 | /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/FileCheck --check-prefix=OLD /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/llvm-project/clang/test/Driver/hipspv-toolchain-rdc.hip
# executed command: /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/clang '-###' -x hip -target x86_64-linux-gnu --offload=spirv64 --no-offload-new-driver -fgpu-rdc --hip-path=/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/llvm-project/clang/test/Driver/Inputs/hipspv -nohipwrapperinc /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/llvm-project/clang/test/Driver/Inputs/hip_multiple_inputs/a.cu /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/llvm-project/clang/test/Driver/Inputs/hip_multiple_inputs/b.hip
# note: command had no output on stdout or stderr
# executed command: /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/FileCheck --check-prefix=OLD /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/llvm-project/clang/test/Driver/hipspv-toolchain-rdc.hip
# .---command stderr------------
# | /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/llvm-project/clang/test/Driver/hipspv-toolchain-rdc.hip:35:14: error: OLD-SAME: is not on the same line as the previous match
# | // OLD-SAME: "-emit-obj"
# |              ^
# | <stdin>:9:170: note: 'next' match was here
# |  "/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/clang-24" "-cc1" "-triple" "spirv64" "-aux-triple" "x86_64-unknown-linux-gnu" "-Wspir-compat" "-emit-obj" "-dumpdir" "a-" "-disable-free" "-clear-ast-before-backend" "-main-file-name" "a.cu" "-mrelocation-model" "static" "-mframe-pointer=all" "-fno-rounding-math" "-mconstructor-aliases" "-aux-target-cpu" "x86-64" "-fcuda-is-device" "-mllvm" "-vectorize-loops=false" "-mllvm" "-vectorize-slp=false" "-fvisibility=hidden" "-fapply-global-visibility-to-externs" "-mlink-builtin-bitcode" "/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/llvm-project/clang/test/Driver/Inputs/hipspv/lib/hip-device-lib/hipspv-spirv64.bc" "-debugger-tuning=gdb" "-fdebug-compilation-dir=/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/tools/clang/test/Driver" "-fcoverage-compilation-dir=/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/tools/clang/test/Driver" "-resource-dir" "/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/../lib/clang" "-fno-autolink" "-ferror-limit" "19" "-fhip-new-launch-api" "-fgpu-rdc" "-fgnuc-version=4.2.1" "-fskip-odr-check-in-gmf" "-cuid=10fc38224f000698" "-fcuda-allow-variadic-functions" "-o" "/tmp/lit-tmp-05jfa1wx/a-generic-64476a.o" "-x" "ir" "/tmp/lit-tmp-05jfa1wx/a-generic-2cbfc1.bc"
# |                                                                                                                                                                          ^
# | <stdin>:8:153: note: previous match ended here
# |  "/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/clang-24" "-cc1" "-triple" "spirv64" "-aux-triple" "x86_64-unknown-linux-gnu" "-Wspir-compat" "-emit-llvm-bc" "-emit-llvm-uselists" "-dumpdir" "a-" "-disable-free" "-clear-ast-before-backend" "-main-file-name" "a.cu" "-mrelocation-model" "static" "-mframe-pointer=all" "-fno-rounding-math" "-mconstructor-aliases" "-aux-target-cpu" "x86-64" "-fcuda-is-device" "-mllvm" "-vectorize-loops=false" "-mllvm" "-vectorize-slp=false" "-fvisibility=hidden" "-fapply-global-visibility-to-externs" "-mlink-builtin-bitcode" "/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/llvm-project/clang/test/Driver/Inputs/hipspv/lib/hip-device-lib/hipspv-spirv64.bc" "-debugger-tuning=gdb" "-fdebug-compilation-dir=/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/tools/clang/test/Driver" "-fcoverage-compilation-dir=/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/tools/clang/test/Driver" "-resource-dir" "/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/../lib/clang" "-isystem" "/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/llvm-project/clang/test/Driver/Inputs/hipspv/include" "-internal-isystem" "/usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11" "-internal-isystem" "/usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/x86_64-linux-gnu/c++/11" "-internal-isystem" "/usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/backward" "-internal-isystem" "/usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11" "-internal-isystem" "/usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/x86_64-linux-gnu/c++/11" "-internal-isystem" "/usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/backward" "-internal-isystem" "/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/../lib/clang/include" "-internal-isystem" "/usr/local/include" "-internal-isystem" "/usr/lib/gcc/x86_64-linux-gnu/11/../../../../x86_64-linux-gnu/include" "-internal-externc-isystem" "/usr/include/x86_64-linux-gnu" "-internal-externc-isystem" "/include" "-internal-externc-isystem" "/usr/include" "-internal-isystem" "/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/../lib/clang/include" "-internal-isystem" "/usr/local/include" "-internal-isystem" "/usr/lib/gcc/x86_64-linux-gnu/11/../../../../x86_64-linux-gnu/include" "-internal-externc-isystem" "/usr/include/x86_64-linux-gnu" "-internal-externc-isystem" "/include" "-internal-externc-isystem" "/usr/include" "-fdeprecated-macro" "-fno-autolink" "-ferror-limit" "19" "-fhip-new-launch-api" "-fgpu-rdc" "-fgnuc-version=4.2.1" "-fskip-odr-check-in-gmf" "-fcxx-exceptions" "-fexceptions" "-cuid=10fc38224f000698" "-fcuda-allow-variadic-functions" "-o" "/tmp/lit-tmp-05jfa1wx/a-generic-2cbfc1.bc" "-x" "hip" "/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/llvm-project/clang/test/Driver/Inputs/hip_multiple_inputs/a.cu"
# |                                                                                                                                                         ^
# | 
# | Input file: <stdin>
# | Check file: /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/llvm-project/clang/test/Driver/hipspv-toolchain-rdc.hip
# | 
# | -dump-input=help explains the following input dump.
# | 
# | Input was:
# | <<<<<<
# |             1: SIE clang version 24.0.0git (https://github.com/llvm/llvm-project.git b95468ff04ba648fa637a4c0783b0e2d332b712c) 
# |             2: Target: x86_64-unknown-linux-gnu 
# |             3: Thread model: posix 
# |             4: InstalledDir: /home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin 
# |             5: Build config: +assertions 
# |             6:  "/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/clang-24" "-cc1" "-triple" "x86_64-unknown-linux-gnu" "-aux-triple" "spirv64" "-emit-obj" "-dumpdir" "a-" "-disable-free" "-clear-ast-before-backend" "-main-file-name" "a.cu" "-mrelocation-model" "pic" "-pic-level" "2" "-pic-is-pie" "-mframe-pointer=all" "-fmath-errno" "-fno-rounding-math" "-mconstructor-aliases" "-funwind-tables=2" "-target-cpu" "x86-64" "-tune-cpu" "generic" "-debugger-tuning=gdb" "-fdebug-compilation-dir=/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/tools/clang/test/Driver" "-fcoverage-compilation-dir=/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/tools/clang/test/Driver" "-resource-dir" "/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/../lib/clang" "-internal-isystem" "/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/../lib/clang" "-idirafter" "/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/llvm-project/clang/test/Driver/Inputs/hipspv/include" "-internal-isystem" "/usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11" "-internal-isystem" "/usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/x86_64-linux-gnu/c++/11" "-internal-isystem" "/usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/backward" "-internal-isystem" "/usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11" "-internal-isystem" "/usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/x86_64-linux-gnu/c++/11" "-internal-isystem" "/usr/lib/gcc/x86_64-linux-gnu/11/../../../../include/c++/11/backward" "-internal-isystem" "/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/../lib/clang/include" "-internal-isystem" "/usr/local/include" "-internal-isystem" "/usr/lib/gcc/x86_64-linux-gnu/11/../../../../x86_64-linux-gnu/include" "-internal-externc-isystem" "/usr/include/x86_64-linux-gnu" "-internal-externc-isystem" "/include" "-internal-externc-isystem" "/usr/include" "-internal-isystem" "/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/build/bin/../lib/clang/include" "-internal-isystem" "/usr/local/include" "-internal-isystem" "/usr/lib/gcc/x86_64-linux-gnu/11/../../../../x86_64-linux-gnu/include" "-internal-externc-isystem" "/usr/include/x86_64-linux-gnu" "-internal-externc-isystem" "/include" "-internal-externc-isystem" "/usr/include" "-fdeprecated-macro" "-ferror-limit" "19" "-fhip-new-launch-api" "-fgpu-rdc" "-fgnuc-version=4.2.1" "-fskip-odr-check-in-gmf" "-fcxx-exceptions" "-fexceptions" "-cuid=10fc38224f000698" "-fcuda-allow-variadic-functions" "-faddrsig" "-fdwarf2-cfi-asm" "-o" "/tmp/lit-tmp-05jfa1wx/a-c228d4.o" "-x" "hip" "/home/buildbot/buildbot-root/llvm-clang-x86_64-sie-ubuntu-fast/llvm-project/clang/test/Driver/Inputs/hip_multiple_inputs/a.cu" 
# | check:18'0      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# | check:18'1      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            
# | ...
# `---data was truncated (10240/66681) (change limit with -D output_limit=N)
# error: command failed with exit status: 1

--

********************


```

</details>

https://github.com/llvm/llvm-project/pull/206910

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